Balance Sheet Components - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Land, Property and Equipment
Total property and equipment at cost	$ 987	$ 1,021
Accumulated depreciation	(564)	(558)
Property and equipment, net	423	463
Land
Land, Property and Equipment
Total property and equipment at cost	396	396
Lab equipment
Land, Property and Equipment
Total property and equipment at cost	477	477
Software
Land, Property and Equipment
Total property and equipment at cost	63	63
Furniture and fixtures
Land, Property and Equipment
Total property and equipment at cost	28	62
Computers and peripherals
Land, Property and Equipment
Total property and equipment at cost	$ 23	$ 23

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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